HOLDDOWN JAW FOR VISES

• US 3,565,417 A
• Filed: 08/22/1968
• Issued: 02/23/1971
• Est. Priority Date: 08/22/1967
• Status: Expired due to Term

• Current Assignee: Degle Karl
• Original Assignee: Degle Karl
• Inventors: DEGLE KARL
• Application Number:
  US04/754,589
• Time in Patent Office: 915 Days
• US Class Current: 269/284
• CPC Class Codes: B25B 1/2473 with pull-down action on the workpiece

Abstract

A holddown jaw is provided for vises consisting of two detachable parts one of which is provided with two portions, one of which portions has a surface matched with a surface provided on the other part. The two portions are slidingly engageable in a transverse sense and one of the parts of the front portion is detachable for the purpose of substituting other parts having different working surfaces for engaging workpieces.

Claims

1. A holddown jaw for vises comprising a rear portion including a part with a reference surface, a front portion including mutually engageable parts one of which has a surface corresponding to the first said surface, and means for detachably connecting the parts of the front portion together, said front and rear portions being so shaped as to be matingly engageable with said surfaces in contact to control the relative attitudes of said front and rear portions, said one part of the front portion being detachable from the other part thereof for purposes of substitution for said other part, one of said parts of said front portion being U-shaped and including two legs and inwardly directed flanges on said legs, said rear portion being provided with grooves wherein said flanges are slidingly received to hold said front and rear portions together, said one part of said front portion being a wedge provided with said reference surface and accommodated between the legs of said U-shaped part, said rear portion including a shoulder extending between said legs and provided with the second said surface, said surfaces being inclined and matching planar surfaces.

2. A jaw as claimed in claim 1 comprising means detachably locking the wedge and said other part together.

3. A jaw as claimed in claim 2 comprising means yieldably holding the front and rear portions in fixed relation relative to the direction of said grooves.

4. A jaw as claimed in claim 3, wherein the front and rear portions are so dimensioned and shaped as to fit together with play, the latter said means further taking up said play.

5. A jaw as claimed in claim 4, wherein the wedge, flanges and grooves are of elongated rectilinear shape.

6. A jaw as claimed in claim 4, wherein the latter said means includes spring and ball means extending through said rear portion and engaging in notches provided in the front portion.

7. A jaw as claimed in claim 6, wherein the said notches are located in one of said grooves.

8. A jaw as claimed in claim 6, wherein the front and rear portions collectively have a generally right quadrilateral cross section.

9. A jaw as claimed in claim 6 comprising means to attach said rear portion to a jaw holder.

10. A jaw as claimed in claim 6, wherein the front portion is provided with a workpiece engaging surface.